Julia Whitty is on a three-week-long journey aboard the the US Coast Guard icebreaker Healy, following a team of scientists who are investigating how a changing climate might be affecting the chemistry of ocean and atmosphere in the Arctic.
Report by CCS group says huge investment needed by 2020.
David Roberts explains what’s really snuffing out the coal industry.
Carbon emissions and GDP rise together almost in lockstep, but emissions are slower to fall when economies contract.
Data points to link between warmer oceans and the change in weather, and the possibility of a rapid reversal to drier climate.